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12-68 Instrument Control Library
Series 2600 System SourceMeters Reference Manual
2600S-901-01 Rev. A / May 2006
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smuX.contact.threshold
X = SMU channel (a or b)
Function
Resistance threshold for the smuX.contact.check function.
Usage
smuX.contact.threshold = rvalue
-- writes the threshold
rvalue = smuX.contact.threshold
-- reads the threshold
rvalue
-- Set to the resistance, in ohms, above which contact check should fail
Remarks
The default threshold is 50
Ω
. The threshold should be set to less than 1k
Ω
.
Details
for connections.
Also see
Example
Set the contact check threshold for SMU A to 5
Ω
:
smua.contact.threshold = 5
smuX.makebuffer
X = SMU channel (a or b)
Function
Creates a RAM buffer.
Usage
mybuffer = smuX.makebuffer(buffersize)
buffersize
Number of readings that can be stored.
Remarks
• RAM reading buffers can be allocated dynamically. These are created and allocated
with the
smuX.makebuffer(buffer)
function, where
buffersize
is the number of
readings the buffer can store.
• Dynamically allocated reading buffers can be used interchangeably with the
smuX.nvbufferY
buffers.
• A RAM buffer can be deleted using
nil
. The following command deletes
mybuffer
:
mybuffer = nil
Details
See “
” in
Also see
Example
Creates a 200 reading RAM buffer named “mybuffer2” for SMUA:
mybuffer2 = smua.makebuffer(200)
Содержание SourceMeter 2600 Series
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